Sinclair ZX80 / ZX81 Forums

Hi,
But, something's wrong…
The level is high and in case of a cut PCB tack, the level will be "0" ,not "1".
I suspect the ULA input to be set to high every time.
Or may be short-cut with another pin...

IR=$1E00 R= %000* 0000 (*) Where the bit B4 is set to 1. 000* 0000 "(" 000* 0001 ")" 000* 0010 ">" 000* 0011 "<" 000* 0100 "=" 000* 0101 "+" 000* 0110 "-" 000* 0111 "*" 000* 1000 "/" 000* 1001 ";" 000* 1010 "," 000* 1011 "." 000* 1100 "0" 000* 1101 "1" 000* 1110 "2" 0001 1111 "3" 0001 0000 "(" 0001 ...

Hi Lardo,
"JRS" ?
What's daaaat?

Hi, At start-up, the basic SAVE command write the actual screen… Full or empty. To fill (Path) a file with the famous "0/0" or a screen full of spaces… Draw a splash screen on an expended screen (16k ram selected) with the "Easy draw" window. Save the D_File in BIN or SCR format. open the "File expl...

Hi, You had to convert a text file… form a text data $AA,$BB,$CC... to a binary file. Just create a new text file, and add the code: "mycode.bas" 1 REM [HEX: \ AA,BB,CC ] Save it. Launch VB81, and select the "bas" file in the file explorer to load it. Open the disassembler window, select the right R...

To list an ASM program… Open the "ZxPrinter" window. Print a screen-shoot using the Printer's icon to print the screen. Use the previous help… Type a LLIST. listing10.JPG And open the "Multi-columns" generator O'matic icon. [!!!] listing11.JPG Enter the game listing name and save it. It's ready to t...

[VB81] How to retrieve an ASM listing. Hi, There's any ways to export an ASM code from this emulator: The easy way is to save the Basic program in a text file, using the SAVE"MYASM.TXT" (in HEXA.) or SAVE"MYASM.TXT:D" (in DEC.) listing2.jpg listing3.JPG or open the "ZxPrinter" window, select the "To...

Many thanks Greg, for the support and the bug report.

the new release is now available.



Web site binary download is now update (19/9/19) (4,8 M).

Hi, # Pica Standard matrix for PR90-055 printer # # Matrix is as true as possible (cf PR90-055 documentation) but the position # of the character in the cell could be not exact https://sourceforge.net/p/teoemulator/code/ci/default/tree/system/printer/055/picas.txt Like the Epson mx80, we can't use t...

HI,
… using the "tape manager" or the Drag&drop process ?
The 1.9 release seem ok.